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  3. Whetstones
Description 4 Manufacturers 810 Products
NORITAKE
Gesswein Co, Inc.
Falcon Tool Company Inc.
DISCO Corporation

4 Whetstone Manufacturers in 2026

This section provides an overview for whetstones as well as their applications and principles. Also, please take a look at the list of 4 whetstone manufacturers and their company rankings. Here are the top-ranked whetstone companies as of September, 2026: 1.Falcon Tool Company Inc., 2.NORITAKE, 3.Gesswein Co, Inc..

Table of Contents

Categories Related to Whetstones

Grinding Machinery
Vitrified CBN Grinding Wheels
Diamond Powder
Grinding Machines
Grinders
Tool Grinding Machinery
Cup Grinding Wheels
Carbide Bars
Grinding Wheel Dressing Stones
Offset Grinding Wheels
Oil Stones
Mounted Points
Abrasive Compounds
Knife Sharpening Machinery
Grinding
Disc Grinders
Polishing Services

What Is a Whetstone?

Whetstones

A whetstone is, in the broadest sense, a tool, such as "a tool for cutting and polishing rocks and metals."

A whetstone is widely used in a variety of forms, from household to industrial applications.

For home use, a whetstone is commonly used to sharpen kitchen knives, often found in rectangular or block-shaped.

Industrial whetstone is often disk-shaped wheels with a mounting hole in the center that is attached to a power tool.

Uses of Whetstones

Whetstones are used in the following applications.

  1. Cutting whetstones
    Cutting whetstones are often used in the plumbing industry.
    A cutter wheel, which is a disk-shaped whetstone, is attached to a pipe cutting machine called a tube cutter.
    The whetstones are rotated to cut the required length of piping work.
  2. Abrasive cloth paper (sandpaper)
    This is an abrasive tool made by bonding abrasives to cardboard, cloth, or other material with an adhesive.

Principle of Whetstones

There are various types of bonding agents used in whetstones, depending on the application.

The most commonly used resinoid is made by a process called the "bakelite method."

Next, the principle of how whetstones grind workpieces is explained.

  • Normal Grinding Process
    In normal grinding, when the sharpness of the abrasive grains is worn, the grinding process becomes dull, the abrasive grains drop off and new grains appear on the surface.

    This ensures the necessary grinding force at all times.
    In this state, chips do not penetrate between the abrasive grains, so the surface roughness of the workpiece is excellent, and high quality can be obtained.
  • Improper Grinding
    If the bond of the whetstones is too soft for a hard workpiece, the abrasive grains will not be able to withstand the workpiece and will break.

    If this happens, the grinding surface will become rough, and the finished surface roughness will deteriorate.

    Conversely, when grinding soft workpieces such as aluminum or copper, chips can get between the grains and deteriorate the sharpness of the workpiece.

    Resistance during grinding increases, resulting in a rougher finished surface.

List of 4 Whetstone Manufacturers

*Including some distributors, etc.

Sort by Features

  • Default
  • Company Size: largest first
  • Year Founded: oldest first
  • Year Founded: earliest first

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  • United States of America
  • Japan
    • Falcon Tool Company Inc.
      • United States of America Address: 2615 Aero Park Drive Traverse City, Michigan, United States of America

      Manufacturer Overview

      Falcon Tool Company, Inc. is an American manufacturer based in Traverse City, Michigan, providing tools for industrial applications. The company’s product range includes files, commonly used in industrial jewelry, dental, and hobby industries, as well as abrasives and abrasive stones. The company also offers various cutting tools, including carbide burs and tungsten vanadium steel burs, commonly used for deburring, milling, and finishing. It further provides diamond tools, brushes and wood sticks, and related equipment, such as air grinders and air profilers.

    • DISCO Corporation
      • Japan Address: 13-11 Omori-Kita 2-chome, Ota-ku, Tokyo, Japan

      Manufacturer Overview

      Disco Corporation is a producer of precision cutting and grinding machines founded in Japan last 1937. Aside from manufacturing services, they also offer maintenance, training, refurbishment, and lease of precision cutting and grinding materials. This company is entirely based in Japan with Tokyo as the location for its Head Office. Its three branch offices are located in Osaka, Kyushu, and Sendai. They also have three plants, two of which are in Hiroshima namely, Kure and Kuwabata, while their Chino Plant is in Nagano.

    • NORITAKE
      • Japan Address: 3-1-36, Noritake-shinmachi, Nishi-ku, Nagoya, Aichi, Japan

      Manufacturer Overview

      NORITAKE CO., LIMITED, established in 1904 as Nippon Toki Kaisha, Ltd., is a Japanese manufacturer headquartered in Nagoya, Aichi, specializing in tableware and technological products. The company crafts fine porcelain and bone china Western-style tableware, glassware, and cutlery, catering to residential and commercial settings. The company also offers ceramics in various forms, including electronic ceramic powder and engineering ceramics, thick film circuit substrates, and vacuum fluorescent displays. Other offerings include provides grinding and polishing tools, such as grinding and cubic boron nitride (CBN) wheels, as well as coated abrasives. The company further offers filtration systems and thin cut master (TCM) machines.

    • Gesswein Co, Inc.

      Distributor Overview

      Gesswein Co, Inc., established in 1914 and headquartered in Bridgeport, Connecticut, is a distributor of jewelers' tools and supplies. The company offers a wide range of products, including additive manufacturing tools, abrasives, bench tools, burs & drills, casting tools, cleaning tools, dust collection tools, engraving tools, power tools, and more. These products are utilized by professionals in the jewelry and metalworking industries for precision work. Gesswein Co, Inc. also provides various services, such as operations review, product sampling, account maintenance, quality control, and price matching.

Whetstone Manufacturer Ranking

*Including some distributors, etc.

Ranking as of September 2026

Derivation Method
Rank Company Click Share
1 Falcon Tool Company Inc.
43.6%
2 NORITAKE
20.5%
3 Gesswein Co, Inc.
17.9%
4 DISCO Corporation
17.9%

Derivation Method

The ranking is calculated based on the click share within the whetstone page as of September 2026. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.

Number of Employees

  1. NORITAKE: 4,831

Newly Established Company

  1. NORITAKE: 1904 (122 years ago)
  2. Gesswein Co, Inc.: 1868 (158 years ago)

Company with a History

  1. Gesswein Co, Inc.: 1868 (158 years ago)
  2. NORITAKE: 1904 (122 years ago)

Whetstone Manufacturers in United States

*Including some distributors, etc.

Global Distribution of Whetstone Manufacturers by Country

*Including some distributors, etc.

Country Number of Companies Share (%)
Japan Japan 2 66.7%
United States of America United States of America 1 33.3%

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List of Whetstone Products

810 products found

810 products

Super abrasive super finishing whetstone-Toyo Polishing Industry Co., Ltd.

Toyo Polishing Industry Co., Ltd.

Super abrasive super finishing whetstone

280+ people viewing

Last viewed: 3 hours ago

■SuperFinish whetstone This grindstone is used to improve surface roughness by removing distortions, waviness, and damaged layers on the workpiece ...


Diamond/Cutting Wheel/Tipped Saw Chip Saw-K’s Material Co., Ltd.

K’s Material Co., Ltd.

Diamond/Cutting Wheel/Tipped Saw Chip Saw

160+ people viewing

Last viewed: 1 day ago

6 models listed

Woodholic Royal tpso001-Diamond/Cutting Wheel/Tipped Saw Chip Saw
Woodholic Royal tpso002-Diamond/Cutting Wheel/Tipped Saw Chip Saw
Metalholic-Diamond/Cutting Wheel/Tipped Saw Chip Saw
Boardaholic-Diamond/Cutting Wheel/Tipped Saw Chip Saw
Siding holic-Diamond/Cutting Wheel/Tipped Saw Chip Saw
Superholic-Diamond/Cutting Wheel/Tipped Saw Chip Saw

Price (without tax)

$ 5.12 〜

Resiton polishing whetstone Resiton see-through disc-Yoshikawa Shoko Co., Ltd.

Yoshikawa Shoko Co., Ltd.

Resiton polishing whetstone Resiton see-through disc

400+ people viewing

Last viewed: 1 day ago

Excellent finish. Excellent polishing properties. ■Features ・The polished surface can be seen through → You can sharpen while checking. ・Large c...

Price (without tax)

$ 3.71

Ceramic rubber grindstone with shaft (for metal polishing) Outer diameter (mm): 4 Grain size (#): 1000 R2117-Cains Co., Ltd.

Cains Co., Ltd.

Ceramic rubber grindstone with shaft (for metal polishing) Outer diameter (mm): 4 Grain size (#): 1000 R2117

Metal Processing Industry Use

360+ people viewing

It has excellent grinding and polishing power because it uses a special ceramic filler.

Price (without tax)

$ 23.27

Cup whetstone for chipper knife polisher Red WA46-J 180×100×25.4φ hole-Daigen Shokai Co., Ltd.

Daigen Shokai Co., Ltd.

Cup whetstone for chipper knife polisher Red WA46-J 180×100×25.4φ hole

340+ people viewing

■Summary A cup whetstone for chipper knife polishing machines. Grain size hardness is 46-J.

Price (without tax)

$ 103.35

Whetstone for corners 19mm x 25mm x 6mm WA60N 2 pieces 1 set-Daigen Shokai Co., Ltd.

Daigen Shokai Co., Ltd.

Whetstone for corners 19mm x 25mm x 6mm WA60N 2 pieces 1 set

280+ people viewing

Last viewed: 1 hour ago

■Summary ・One set of two Teiken corner grindstones 19mm x 25mm x 6mm WA60N. - Polish the cutting edge of the case (box) that only has corners.

Price (without tax)

$ 8.71

Oil whetstone-Toyo Polishing Industry Co., Ltd.

Toyo Polishing Industry Co., Ltd.

Oil whetstone

430+ people viewing

■Features ・It is mainly used by hand with an A-grain whetstone impregnated with oil. ・The whetstone has strong strength and is difficult to lose ...


Whetstone-Glow Engineering Co., Ltd.

Glow Engineering Co., Ltd.

Whetstone

350+ people viewing

Grinders, which are excellent in wear resistance, greatly contribute to running costs.

4 models listed

NP type-Whetstone
αNP type-Whetstone
VCI type-Whetstone
Alumina type-Whetstone

Resinoid cutting wheel Resinoid blade (GC)-Marto Co., Ltd.

Marto Co., Ltd.

Resinoid cutting wheel Resinoid blade (GC)

490+ people viewing

Last viewed: 1 day ago

■Features This is an all-blade type (no base metal) cutting whetstone manufactured by using green carborantum (high-purity silicon carbide) as the ...


Demonstrates its power in polishing and processing syringe needles, scalpels, and cutlery For precision finishing (blade polishing/finish polishing) Grinding wheel NB Whetstone-TKX Co., Ltd.

TKX Co., Ltd.

Demonstrates its power in polishing and processing syringe needles, scalpels, and cutlery For precision finishing (blade polishing/finish polishing) Grinding wheel NB Whetstone

Printing & Office Machines Use

480+ people viewing

Last viewed: 13 hours ago

■Features The NB whetstone is a semi-elastic whetstone made from a modified resin bond made by adding natural resin (shellac) to conventional resin...


Grinding wheel: Precision polishing/super finishing whetstone: Lab whetstone-Naniwa Polishing Industry Co., Ltd.

Naniwa Polishing Industry Co., Ltd.

Grinding wheel: Precision polishing/super finishing whetstone: Lab whetstone

360+ people viewing

Last viewed: 6 hours ago

■Summary Labo whetstone is a super-finish whetstone for precision polishing developed exclusively for Lapping and Polishing. In conventional grindi...


Unipolish PVA whetstone DE series-Miniter Co., Ltd.

Miniter Co., Ltd.

Unipolish PVA whetstone DE series

340+ people viewing

■Features - A whetstone made of compression molded nylon non-woven fabric coated with abrasive grains. (uni-polish) - Excellent heat dissipation ef...


Grinder drill electroplated diamond bur set-Yagyu Shokai Co., Ltd.

Yagyu Shokai Co., Ltd.

Grinder drill electroplated diamond bur set

400+ people viewing

■Applications For grinding cemented carbide, ceramics, hardened steel, glass, etc., removing minute burrs, engraving, etc. *For your safety, be su...


Third generation of whetstone-Tie Sea Ins

Tie Sea Ins

Third generation of whetstone

570+ people viewing

Last viewed: 7 hours ago

A serious small cutting whetstone challenged by the grinding grinding whetstone tax, a grinding grinding whetstone in 1947. The number of limit cut...

3 models listed

-Third generation of whetstone
-Third generation of whetstone
-Third generation of whetstone

Price (without tax)

$ 1.48 〜

Correction file hand wrapper flat blue #180 HIL0180-TSUBOSAN

TSUBOSAN

Correction file hand wrapper flat blue #180 HIL0180

300+ people viewing

■Applications ・Correcting the cutting edge of drills, bits, cutters, knives, scissors, etc. after re-polishing hardened steel (blade stop). ・Modi...


Offset whetstone for grinding-SHIN-EI GRINDING WHEELS MFG. CO., LTD.

SHIN-EI GRINDING WHEELS MFG. CO., LTD.

Offset whetstone for grinding

650+ people viewing

Last viewed: 1 day ago

■Applications Removal of burned parts of castings ■Features Removal of baked-on parts of cast iron products is performed using a vibrating tool su...


New ceramic whetstone composition that beats the world metal thinly cut -type cutting whetstone speed technique-Sanko Made Co., Ltd.

Sanko Made Co., Ltd.

New ceramic whetstone composition that beats the world metal thinly cut -type cutting whetstone speed technique

740+ people viewing

Last viewed: 16 hours ago

This one that arrived from the attachment of cutting ■ What is fast technique? ・ We have created the concept of the concept of cutting work faste...


Uses super abrasive grains A sharpening stone exclusively for disc grinders A quick finish with just a light stroke Super stent trimmer-International Diamond Co., Ltd.

International Diamond Co., Ltd.

Uses super abrasive grains A sharpening stone exclusively for disc grinders A quick finish with just a light stroke Super stent trimmer

480+ people viewing

Last viewed: 3 hours ago

■Characteristics ・Continuous work is possible because it is a heat-resistant pound ・Long life due to thick abrasive layer ・Vivid colors with cle...


TOMATEC Frit “Frit for grinding wheels”-TOMATEC Co., Ltd.

TOMATEC Co., Ltd.

TOMATEC Frit “Frit for grinding wheels”

Automotive & Transport Use Architecture & Construction Use Metal Processing Industry Use

750+ people viewing

Last viewed: 1 day ago

■Next-generation functional materials TOMATEC is working to solve new needs and provides next-generation functional materials that are environmenta...


Fiber Ceramic Diamond Fiber Grindstone CERATON Dia-Sowa Kasei Co., Ltd.

Sowa Kasei Co., Ltd.

Fiber Ceramic Diamond Fiber Grindstone CERATON Dia

490+ people viewing

■Ceramic diamond fiber whetstone Seraton Diamond combines alumina fibers and diamond abrasive grains using unique fiber orientation technology. The...


Abrasives Jig grinding shaft included Internal whetstone Diamond/CBN electrodeposition type 6mm shaft included-Sowa Kasei Co., Ltd.

Sowa Kasei Co., Ltd.

Abrasives Jig grinding shaft included Internal whetstone Diamond/CBN electrodeposition type 6mm shaft included

430+ people viewing

Last viewed: 1 day ago


Resinoid whetstone Offset type whetstone-Toyo Polishing Industry Co., Ltd.

Toyo Polishing Industry Co., Ltd.

Resinoid whetstone Offset type whetstone

380+ people viewing

Last viewed: 1 day ago

■About resinoid whetstone ・This whetstone is made from synthetic resin such as phenolic resin and hardened at a temperature of around 200℃. ・It i...


CBN wheels-Toyo Polishing Industry Co., Ltd.

Toyo Polishing Industry Co., Ltd.

CBN wheels

450+ people viewing

■How to use diamond wheels and CBN wheels ・Generally, non-ferrous metals are called diamonds, and ferrous metals are called CBN. ・Diamond has a K...


Data logger for wind power and solar resource assessment-Dereco Japan Co., Ltd.

Dereco Japan Co., Ltd.

Data logger for wind power and solar resource assessment

420+ people viewing

Last viewed: 2 hours ago

Orbit 360 is now available from Kintech Engineering. This is the most technologically advanced data logger in our history. It has been developed wi...


Resin CBN Wheels - Consumables for Sharpening Blades-Tipton Corp.

Tipton Corp.

Resin CBN Wheels - Consumables for Sharpening Blades

Architecture & Construction Use

150+ people viewing

Last viewed: 10 hours ago

• Used for sharpening metal saws. Compared to vitrified resin grinding wheels, sharpening performance and lifespan are significantly improved. • T...

11 models listed

Resin CBN wheels-Resin CBN Wheels - Consumables for Sharpening Blades
Resin CBN wheels-Resin CBN Wheels - Consumables for Sharpening Blades
Resin CBN wheels-Resin CBN Wheels - Consumables for Sharpening Blades
Resin CBN wheels-Resin CBN Wheels - Consumables for Sharpening Blades
Resin CBN wheels-Resin CBN Wheels - Consumables for Sharpening Blades
Resin CBN wheels-Resin CBN Wheels - Consumables for Sharpening Blades

Consumables for processing tiles and architectural stone: Grinding disc with tile grinding wheel-Tipton Corp.

Tipton Corp.

Consumables for processing tiles and architectural stone: Grinding disc with tile grinding wheel

Architecture & Construction Use

140+ people viewing

• The grinding wheel has good balance. • It allows for clean grinding with minimal tile chipping.

9 models listed

Tile grinding disc with grinding wheel-Consumables for processing tiles and architectural stone: Grinding disc with tile grinding wheel
Tile grinding disc with grinding wheel-Consumables for processing tiles and architectural stone: Grinding disc with tile grinding wheel
Tile grinding disc with grinding wheel-Consumables for processing tiles and architectural stone: Grinding disc with tile grinding wheel
Tile grinding disc with grinding wheel-Consumables for processing tiles and architectural stone: Grinding disc with tile grinding wheel
Tile grinding disc with grinding wheel-Consumables for processing tiles and architectural stone: Grinding disc with tile grinding wheel
Tile grinding disc with grinding wheel-Consumables for processing tiles and architectural stone: Grinding disc with tile grinding wheel

Tool-Bossard Co., Ltd.

Bossard Co., Ltd.

Tool

360+ people viewing

Last viewed: 1 day ago

Along with the advancement and diversification of fasteners, tools for construction continue to evolve day by day. Parts and construction methods, ...

7 models listed

Wrench bit-Tool
Pin tool-Tool
Tools for threaded inserts-Tool
Thread cutting tool-Tool
Drivers-Tool
Various tools-Tool

Shape Gomangoku stick (hard)-Nakajima Koki Co., Ltd.

Nakajima Koki Co., Ltd.

Shape Gomangoku stick (hard)

280+ people viewing

Last viewed: 3 hours ago

With the Shape Gomangoku stick, you can efficiently and easily finish the inner diameter and inside of the groove, finish round shapes, corners, ir...

7 models listed

AL-BB-5-#46 (Hard)-Shape Gomangoku stick (hard)
AL-BB-5-#80 (Hard)-Shape Gomangoku stick (hard)
AL-BB-5-#120 (Hard)-Shape Gomangoku stick (hard)
AL-BB-5-#220 (Hard)-Shape Gomangoku stick (hard)
AL-BB-5-#320 (Hard)-Shape Gomangoku stick (hard)
AL-BB-5-#1000 (Hard)-Shape Gomangoku stick (hard)

Ceramic fiber whetstone-Toyo Polishing Industry Co., Ltd.

Toyo Polishing Industry Co., Ltd.

Ceramic fiber whetstone

380+ people viewing

■Features ・Ceramic fiber is an artificial mineral fiber whose main raw materials are alumina and silica. - Ceramic fiber whetstones are made using...


Straight type cutting wheel Theta cut 150×1.4×22 NX46S SCT15014NX46S-Cains Co., Ltd.

Cains Co., Ltd.

Straight type cutting wheel Theta cut 150×1.4×22 NX46S SCT15014NX46S

290+ people viewing

A straight type double-sided reinforced cutting whetstone. It has a sharp edge that you can tell the difference from the first cut. Despite being a...

Price (without tax)

$ 3.83







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